UCBrowser.exe

UC浏览器

TAOBAO (CHINA) SOFTWARE CO.,LTD.

The application UCBrowser.exe by TAOBAO (CHINA) SOFTWARE CO.,LTD has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address li45-233.members.linode.com on port 443.
Publisher:
UCWeb Inc.  (signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.)

Product:
UC浏览器

Version:
6.0.1471.914

MD5:
f6d047b9e63f4302b08d9166e3e38526

SHA-1:
3d91c13a30d2fbd5772dbd3d12cd6852c3a570bb

SHA-256:
0ec82fdb7debd43d060be2056f2467976c472db886515fd6471f6f2b06e9e254

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
2/16/2017 2:39:30 PM UTC  (eight months ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Taobao (L)
17.2.16.9

File size:
1.1 MB (1,172,184 bytes)

Product version:
6.0.1471.914

Copyright:
Copyright 2008-2016 UCWeb Inc. All rights reserved.

Original file name:
UCBrowser.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\ucbrowser\application\ucbrowser.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/16/2016 8:00:00 AM

Valid to:
7/15/2018 7:59:59 AM

Subject:
CN="TAOBAO (CHINA) SOFTWARE CO.,LTD.", OU=RDC, O="TAOBAO (CHINA) SOFTWARE CO.,LTD.", L=Hangzhou, S=Zhejiang, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
780A0032A6CE7D0B5D5452F5CDE520DC

File PE Metadata
Compilation timestamp:
2/14/2017 6:27:58 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x6FD1F

Entry point:
E8, BA, 08, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 57, 56, 53, 33, FF, 8B, 44, 24, 14, 0B, C0, 7D, 14, 47, 8B, 54, 24, 10, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 14, 89, 54, 24, 10, 8B, 44, 24, 1C, 0B, C0, 7D, 14, 47, 8B, 54, 24, 18, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 1C, 89, 54, 24, 18, 0B, C0, 75, 18, 8B, 4C, 24, 18, 8B, 44, 24, 14, 33, D2, F7, F1, 8B, D8, 8B, 44, 24, 10, F7, F1, 8B, D3, EB, 41, 8B, D8, 8B, 4C, 24, 18, 8B, 54, 24, 14, 8B, 44, 24, 10, D1, EB, D1, D9, D1, EA, D1, D8...
 
[+]

Entropy:
6.7370

Code size:
594 KB (608,256 bytes)

Startup File (User Run Once)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

Name:
Application Restart #0

Command:
C:\Program Files\ucbrowser\application\ucbrowser.exe --flag-switches-begin --disable-direct-write --flag-switches-end --wow-extension-center-url=httC:\extensions.uc.cn\new --restore-last-session --


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to li45-233.members.linode.com  (72.14.182.233:443)

TCP (HTTP SSL):
Connects to host-213.158.178.45.tedata.net  (213.158.178.45:443)

TCP (HTTP SSL):
Connects to host-213.158.178.38.tedata.net  (213.158.178.38:443)

TCP (HTTP SSL):
Connects to host-213.158.178.18.tedata.net  (213.158.178.18:443)

TCP (HTTP SSL):
Connects to host-213.158.160.48.tedata.net  (213.158.160.48:443)

TCP (HTTP SSL):
Connects to edge-star-shv-01-cai1.facebook.com  (31.13.88.4:443)

TCP (HTTP SSL):
Connects to edge-star-mini-shv-01-cai1.facebook.com  (31.13.88.36:443)

Remove UCBrowser.exe - Powered by Reason Core Security